diff --git a/metacall.rb b/metacall.rb
index cb0f682..751e9f9 100644
--- a/metacall.rb
+++ b/metacall.rb
@@ -62,7 +62,7 @@ def install
     end
 
     # Add build folder to PATH in order to find node executable
-    # ENV.prepend_path "PATH", build_dir
+    ENV.prepend_path "PATH", bin
 
     # Set the compiler
     cc_compiler = `xcrun --find clang`.tr("\n","")
@@ -182,6 +182,12 @@ def install
       }
     EOS
 
+    system "echo", "------------------------ TEST ------------------------"
+    system "echo", bin
+    system "ls", "-la", bin
+    system "echo", lib
+    system "ls", "-la", lib
+
     # Tests
     assert_match "Hello from Python", shell_output("#{bin}/metacall test.py")
     assert_match "Hello from Ruby", shell_output("#{bin}/metacall test.rb")